NASA has now officially created a rocket made out of 3-D printed parts. Once filled with hydrogen and oxygen, the rocket produces 20,000 pounds of thrust and generates spectacular flames.

Sources reveal that NASA has been working on 3-D printed rockets for a while now, but this specific rocket engine is the first of its kind; 75% of its parts are 3-D printed -the highest percentage so far. Check out the video below which shows the rocket engine producing impressive amounts of fire. The video shows that the fire from the engine lasts for as long as ten seconds.

3-D printed components of a rocket have some clear advantages like it helps to build complex parts [...]